Katrina Carol Groves-Rehwaldt, MD
Addiction Medicine (Family Medicine) Physician · Walnut Creek, CA
Katrina Carol Groves-Rehwaldt, MD is an addiction medicine (family medicine) physician with a practice address in Walnut Creek, California, and NPI 1487748943, issued on Oct 2, 2006. Check the license (California G69202, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Katrina Carol Groves-Rehwaldt
- Credential
- MD
- Primary taxonomy
- Addiction Medicine (Family Medicine) Physician 207QA0401X
- License numbers
- G69202 CA
MD19537 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2960 Camino Diablo Ste 105, Walnut Creek, CA 94597
- Phone
- (800) 892-2695
- Enumerated
- Oct 2, 2006
- Record last updated
- Oct 18, 2022
- Medicare enrollment
- Enrolled (PECOS I20041215000254); accepts Medicare assignment
- Medical or professional school
- Medical College Of Pennsylvania, 1989
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest addiction medicine (family medicine) physician records → All 124 in California → Look up another NPI →
Also registered at 2960 Camino Diablo Ste 105
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Belis Aladag, MD, MPH, FASAMAddiction Medicine (Family Medicine) Physician1295994275
- Jessica Bailey-Pierre, LCSWClinical Social Worker1124509856
- Yunwen Chiu, PHARMDPharmacist1760866859
- Kataunya CummingsPsychiatric/Mental Health Nurse Practitioner1730705351
- Tracy Jackson, MDPain Medicine (Anesthesiology) Physician1154436590
- David Kan, M.D.Forensic Psychiatry Physician1942319918
Verify Katrina Carol Groves-Rehwaldt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G69202Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average addiction medicine (family medicine) physician in 2024
38 Medicare Part D claims, against an average of 664 among the 581 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Buprenorphine-Naloxone13 claims
- Suboxone12 claims
- Zolpidem Tartrate11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Katrina Carol Groves-Rehwaldt among 124 addiction medicine (family medicine) physician records in California
Katrina Carol Groves-Rehwaldt, MD is one of 124 addiction medicine (family medicine) physician records with a practice address in California. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 73% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1989 · median 2015 among the 64 with a school on file
- Record last updated2022 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0401X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Medicine (Family Medicine) Physician providers in California
There are 124 addiction medicine (family medicine) physician records in California.
All 124 in California → Every provider in Walnut Creek → Addiction Medicine (Family Medicine) Physician nationwide →
The 8 addiction medicine (family medicine) physician records with the nearest ZIP codes
- Belis Aladag, MD, MPH, FASAMWalnut Creek, CA 945971295994275
- Alexandra Arenson, DOWalnut Creek, CA 945961689170573
- Diana Chen, MD, MBAOakland, CA 946011073136057
- Matilde Fredrickson, DOOakland, CA 946021770011348
- Judith Martin, MDOakland, CA 946061073703682
- Simon Ma, MD, MPHSan Leandro, CA 945771811578461
- Diane Hambrick, M.D.Saint Helena, CA 945741205859683
- Myriam Aisha KaneMartinez, CA 945531881210011
Common questions
What is Katrina Carol Groves-Rehwaldt, MD's NPI number?
Katrina Carol Groves-Rehwaldt, MD's National Provider Identifier (NPI) is 1487748943, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Katrina Carol Groves-Rehwaldt, MD located?
The NPPES record lists a practice address at 2960 Camino Diablo Ste 105, Walnut Creek, CA, 94597. Phone: (800) 892-2695. Providers update this record themselves, so call before visiting.
How can I verify Katrina Carol Groves-Rehwaldt, MD's license?
NPPES lists California license number G69202, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katrina Carol Groves-Rehwaldt, MD prescribe under Medicare Part D?
In 2024, Katrina Carol Groves-Rehwaldt, MD had 38 Medicare Part D claims; the average among addiction medicine (family medicine) physician prescribers was 664. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.